GB2224404B - Residual current device - Google Patents
Residual current deviceInfo
- Publication number
- GB2224404B GB2224404B GB8908385A GB8908385A GB2224404B GB 2224404 B GB2224404 B GB 2224404B GB 8908385 A GB8908385 A GB 8908385A GB 8908385 A GB8908385 A GB 8908385A GB 2224404 B GB2224404 B GB 2224404B
- Authority
- GB
- United Kingdom
- Prior art keywords
- current device
- residual current
- residual
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/338—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers also responsive to wiring error, e.g. loss of neutral, break
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE322488 | 1988-10-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8908385D0 GB8908385D0 (en) | 1989-06-01 |
GB2224404A GB2224404A (en) | 1990-05-02 |
GB2224404B true GB2224404B (en) | 1993-03-17 |
Family
ID=11038106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8908385A Expired - Fee Related GB2224404B (en) | 1988-10-25 | 1989-04-13 | Residual current device |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2224404B (en) |
ZA (1) | ZA892913B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931893A (en) * | 1989-04-19 | 1990-06-05 | Square D Company | Loss of neutral or ground protection circuit |
GB9109477D0 (en) * | 1991-05-02 | 1991-06-26 | Mk Electric Ltd | Electrical protection devices |
GB2311177B (en) * | 1996-03-13 | 2000-08-02 | Crabtree Electrical Ind Ltd | Residual current devices |
ES2125204B1 (en) * | 1997-07-08 | 1999-10-01 | Iberdrola Sa | NEUTRAL CONTINUITY SUPERVISION DEVICE AND SERVICE SURGE PROTECTION. |
ES2155363B1 (en) * | 1998-12-17 | 2001-11-16 | Sanchez Pablo Garrido | GENERAL PROTECTORS OF RISES OR VOLTAGES DOWN FOR NEUTRAL FAILURES OR OTHER CAUSES. |
IE20010271A1 (en) * | 2000-03-22 | 2001-10-03 | Shakira Ltd | Residual Current Device |
GB2377834B (en) * | 2001-05-31 | 2003-09-17 | Shakira Ltd | Residual current device |
CN105954674A (en) * | 2012-07-27 | 2016-09-21 | 胡小青 | Detection device used for detecting electric leakage breaker |
CN105699886A (en) * | 2012-07-27 | 2016-06-22 | 胡小青 | Improved type detection device having alternating current electric leakage adjusting circuit |
CN105116321A (en) * | 2012-07-27 | 2015-12-02 | 胡小青 | Tester used for testing electric leakage breaker |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0154450A1 (en) * | 1984-02-23 | 1985-09-11 | Delta Electrical (Holdings) Limited | Earth leakage protective circuit |
-
1989
- 1989-04-13 GB GB8908385A patent/GB2224404B/en not_active Expired - Fee Related
- 1989-04-20 ZA ZA892913A patent/ZA892913B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0154450A1 (en) * | 1984-02-23 | 1985-09-11 | Delta Electrical (Holdings) Limited | Earth leakage protective circuit |
Also Published As
Publication number | Publication date |
---|---|
GB2224404A (en) | 1990-05-02 |
GB8908385D0 (en) | 1989-06-01 |
ZA892913B (en) | 1989-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990413 |